This study is conducted to explore the feasibility and value of Intraoperative ultrasonographic localization of pulmonary nodules in video-assisted thoracoscopic surgery (VATS).
The study is designed as a single center prospective trial. The participating center is Department of Ultrasound, Shanghai Chest Hospital, Shanghai Jiao Tong University, China. The study is expected to enroll 200 patients. The feasibility and value of Intraoperative ultrasonographic localization of pulmonary nodules in VATS will be explored. The accuracy rate of localization will be evaluated using gray scale mode and elastography mode. Intraoperative ultrasonographic localization will be performed using an ultrasound system (HI VISON Ascendus), which is equipped with a 5-10MHz mechanical probe (EUP-OL531).
Study Type
OBSERVATIONAL
Enrollment
200
Intraoperative ultrasonographic localization will be performed using an ultrasound system (HI VISON Ascendus), which is equipped with a 5-10MHz mechanical probe (EUP-OL531). The accuracy rate of localization will be evaluated using gray scale mode and elastography mode.
The accuracy rate of localization
The accuracy rate of localization will be evaluated using gray scale mode and elastography mode using pathology as a reference.
Time frame: one year
Correlation of lesion size and localization
Whether lesion size affects localization will be explored in the study.
Time frame: one year
Correlation of distance between the lesion and pleura and localization
Whether distance between the lesion and pleura affects localization will be explored.
Time frame: one year
Time of localization
The time of intraoperative ultrasonographic localization will be recorded.
Time frame: one week
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